1054661156 has 6 divisors (see below), whose sum is σ = 1845657030. Its totient is φ = 527330576.

The previous prime is 1054661143. The next prime is 1054661189. The reversal of 1054661156 is 6511664501.

It can be written as a sum of positive squares in only one way, i.e., 728136256 + 326524900 = 26984^2 + 18070^2 .

It is a super-2 number, since 2×1054661156² = 2224620307950512672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131832641 + ... + 131832648.

It is an arithmetic number, because the mean of its divisors is an integer number (307609505).

Almost surely, 2^1054661156 is an apocalyptic number.

It is an amenable number.

1054661156 is a deficient number, since it is larger than the sum of its proper divisors (790995874).

1054661156 is a wasteful number, since it uses less digits than its factorization.

1054661156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263665293 (or 263665291 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1054661156 is about 32475.5470469706. The cubic root of 1054661156 is about 1017.8981310571.

The spelling of 1054661156 in words is "one billion, fifty-four million, six hundred sixty-one thousand, one hundred fifty-six".